Pivotal wrench head



FIG. 1 is a perspective view of a pivotal wrench head showing my newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an alternate perspective view thereof showing my new design inan exemplary environment.

The broken line showing of the environment in FIG. 8 is included for thepurpose of illustrating and forms no part of the claimed design.

CLAIM The ornamental design for a pivotal wrench head, as shown anddescribed.